statusWidget.cpp

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//==============================================
//  copyright            : (C) 2003 by Will Stokes
//==============================================
//  This program is free software; you can redistribute it 
//  and/or modify it under the terms of the GNU General 
//  Public License as published by the Free Software 
//  Foundation; either version 2 of the License, or  
//  (at your option) any later version.         
//
//  As a special exception, Will Stokes gives permission to 
//  link this program with Qt non-commercial edition, and 
//  distribute the resulting executable, without including the 
//  source code for the Qt non-commercial edition in the 
//  source distribution. 
//==============================================

//Systemwide includes
#include <qlayout.h>
#include <qlabel.h>
#include <qfont.h>
#include <qframe.h>
#include <qprogressbar.h>

//Projectwide includes
#include "statusWidget.h"

//==============================================
StatusWidget::StatusWidget(QWidget *parent, 
                         const char* name ) : QWidget(parent,name)
{
  //create status message
  statusMessage = new QLabel( this );
  statusMessage->setText( "" );
  statusMessage->setFont( QFont( "Times", 12, QFont::Bold ) );

  //create progress message and bar
  progressFrame = new QFrame( this );
  progressMessage = new QLabel( progressFrame );
  progressMessage->setText( "" );
  progressMessage->setFont( QFont( "Times", 12, QFont::Bold ) );
  progressBar = new QProgressBar( progressFrame );
  progressBar->setCenterIndicator(true);
  curStep = 0;
  
  //place progress items in their own grid  
  progressGrid = new QGridLayout( progressFrame, 1, 2, 0);
  progressGrid->addWidget( progressMessage, 0, 0 );
  progressGrid->addWidget( progressBar, 0, 1 );
  
  //place progress frame and status message in main grid
  grid = new QGridLayout( this, 1, 2, 0 );
  grid->addWidget( progressFrame, 0, 0 );
  grid->addWidget( statusMessage, 0, 0 );
  grid->setColStretch( 1, 1 );

  //set minimum height to that of progress frame so height doesn't
  //shift when we go back and forth between modes
  grid->addRowSpacing( 0, progressFrame->frameSize().height() );
  
  //hide both status message and progress bar until need to be shown 
  progressFrame->hide();
}
//==============================================
StatusWidget::~StatusWidget()
{
}
//==============================================
void StatusWidget::showProgressBar(QString message, int numSteps)
{
  //hide status message
  statusMessage->hide();
  
  //setup progress bar and show it
  progressMessage->setText( message );
  progressBar->setProgress( 0, numSteps );
  curStep = 0;
  progressFrame->show();
}
//==============================================
void StatusWidget::updateProgress(int progress)
{
  progressBar->setProgress( progress );
}
//==============================================
void StatusWidget::incrementProgress()
{
  curStep++;
  progressBar->setProgress( curStep );
}
//==============================================
void StatusWidget::setStatus( QString message )
{
  //hide progress bar
  progressFrame->hide();
  
  //update status message and show
  statusMessage->setText( message );
  statusMessage->show();
}
//==============================================
void StatusWidget::clearAll()
{
  //hide both status message and progress bar
  progressBar->hide();
  statusMessage->setText( "" );
  statusMessage->show();
}
//==============================================

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